20173820392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{27791}}^1$

素因数の和:27994

約数の個数: 64

約数和(自身を含む): 42201596160

約数和(自身を除く): 22027775768

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 113, 146, 226, 292, 452, 584, 803, 904, 1243, 1606, 2486, 3212, 4972, 6424, 8249, 9944, 16498, 27791, 32996, 55582, 65992, 90739, 111164, 181478, 222328, 305701, 362956, 611402, 725912, 1222804, 2028743, 2445608, 3140383, 4057486, 6280766, 8114972, 12561532, 16229944, 22316173, 25123064, 34544213, 44632346, 69088426, 89264692, 138176852, 178529384, 229247959, 276353704, 458495918, 916991836, 1833983672, 2521727549, 5043455098, 10086910196, 20173820392]

約数ペア:

[(1, 20173820392), (2, 10086910196), (4, 5043455098), (8, 2521727549), (11, 1833983672), (22, 916991836), (44, 458495918), (73, 276353704), (88, 229247959), (113, 178529384), (146, 138176852), (226, 89264692), (292, 69088426), (452, 44632346), (584, 34544213), (803, 25123064), (904, 22316173), (1243, 16229944), (1606, 12561532), (2486, 8114972), (3212, 6280766), (4972, 4057486), (6424, 3140383), (8249, 2445608), (9944, 2028743), (16498, 1222804), (27791, 725912), (32996, 611402), (55582, 362956), (65992, 305701), (90739, 222328), (111164, 181478)]